AirHint found the following cheapest return flights from Cork (ORK) to Sydney (SYD) in October 2025 (see full year).

Return flights

27 Oct - 05 Nov	Ryanair
16 Oct - 18 Nov	Ryanair
14 Oct - 20 Oct	Ryanair
28 Oct - 01 Nov	Ryanair
09 Oct - 30 Oct	Ryanair
20 Oct - 10 Nov	Aer Lingus
26 Oct - 09 Nov	Aer Lingus
19 Oct - 25 Oct	Aer Lingus

Also check the deals for one-way flights from Cork to Sydney in October.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Cork to Sydney in October from $1039

Return flights